Number | Name | Date | Kind |
---|---|---|---|
2906143 | Musser | Sep 1959 | |
2959301 | Willsea | Nov 1960 | |
3826383 | Richter | Jul 1974 | |
3922930 | Fletcher et al. | Dec 1975 | |
4030617 | Richter | Jun 1977 | |
4047448 | Pardo et al. | Sep 1977 | |
4068536 | Stackhouse | Jan 1978 | |
4246661 | Pinson | Jan 1981 | |
4365928 | Baily | Dec 1982 | |
4402234 | Malarz et al. | Sep 1983 | |
4431366 | Inaba et al. | Feb 1984 |
Number | Date | Country |
---|---|---|
56-152553 | Nov 1981 | JPX |
Entry |
---|
Industrial Robots, vol. 1, William R. Turner, pp. 3 and 7, printed Apr. 1979. |